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Note 2 - Supplementary Cash Flows Information (Tables) | 12 Months Ended
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Apr. 30, 2021
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  |  | Fiscal Years Ended April 30, |
($ in thousands) |  | 2021 |  |  | 2020 |  |  | 2019 |
Cash and cash equivalents |  | $ | 19,171 |  |  | $ | 4,954 |  |  | $ | 6,493 |
Restricted cash |  | $ | 469 |  |  | $ | 469 |  |  | $ | 469 |
Total cash, cash equivalents, and restricted cash shown in the Consolidated Statement of Cash Flows |  | $ | 19,640 |  |  | $ | 5,423 |  |  | $ | 6,962 |
|  |  | Fiscal Years Ended April 30, |
($ in thousands) |  | 2021 |  |  | 2020 |  |  | 2019 |
State and local income tax payments |  | $ | 1,406 |  |  | $ | 1,105 |  |  | $ | 387 |
Federal income tax payments to the Parent |  | $ | 7,154 |  |  | $ | 3,325 |  |  | $ | 2,700 |

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